The micro robot based on screw motion wheels, which features high payload/mass ratio, fast and continuous motion, adaptation to pipe diameter or roundness variations, is suitable for locomotion and inspection inside s...The micro robot based on screw motion wheels, which features high payload/mass ratio, fast and continuous motion, adaptation to pipe diameter or roundness variations, is suitable for locomotion and inspection inside small diameter pipelines. The robot inspection system, Tubot I, developed at Shanghai University is composed of locomotion mechanism with an inner motor, a micro CCD camera and a monitor outside the pipeline. In the paper, the kinematics and statics analyses are presented for the screw locomotion system of Tubot I. The moving characteristics are obtained from experiments on the robot prototype.展开更多
With the rapid development of submarine oil and gas,the security issues of submarine oil and gas pipeline become increasingly prominent,and regular inspection of submarine pipeline is particularly important.Therefore,...With the rapid development of submarine oil and gas,the security issues of submarine oil and gas pipeline become increasingly prominent,and regular inspection of submarine pipeline is particularly important.Therefore,a submarine pipeline inspection robot system based on CT technology to solve the problems such as low traditional manual inspection efficiency,high labor cost,low security and backward inspection methods.Based on the platform of ROV robot,carrying CT scanner as an external detection device,the system is used for non-invasive inspection of submarine pipeline,which is safe and harmless,with good economy,high mobility,and strong environmental adaptability.Compared with traditional technology,CT scanner’s external inspection technology used in the system avoids the damage to the external protective layer of the pipeline in the measurement of pipeline wall thickness.Meantime,it can provide the tomography of the pipe wall and the composition of the sediment material on the inside wall,which fills the gap in this technical field in China.According to the test,the robot has the characteristics of stable adsorption,flexible movement,and clear pipeline CT scanning image,and can realize the intelligent inspection of submarine pipeline.展开更多
针对浅水水域机器人的姿态平衡、运动控制、信息获取及工作环境多变等难题,文中研制了一款能够沿水下管道自主运动、检测管道上的吸附物、发出警报并对吸附物移除及回收的小型水下机器人。采用Arduino Mega 2560集成芯片作为核心控制器...针对浅水水域机器人的姿态平衡、运动控制、信息获取及工作环境多变等难题,文中研制了一款能够沿水下管道自主运动、检测管道上的吸附物、发出警报并对吸附物移除及回收的小型水下机器人。采用Arduino Mega 2560集成芯片作为核心控制器,开发了管道巡线、图形识别和回收装置驱动等模块的外围电路,制作了实物样机。实景试验表明:所研制的机器人能够完成460~530 mm深度水下管道的巡检作业。展开更多
基金Supported by National High TechR&DProgramin China!( 86 3 5 1 2 970 4 2 6 86 3 5 1 2 980 4 1 8)
文摘The micro robot based on screw motion wheels, which features high payload/mass ratio, fast and continuous motion, adaptation to pipe diameter or roundness variations, is suitable for locomotion and inspection inside small diameter pipelines. The robot inspection system, Tubot I, developed at Shanghai University is composed of locomotion mechanism with an inner motor, a micro CCD camera and a monitor outside the pipeline. In the paper, the kinematics and statics analyses are presented for the screw locomotion system of Tubot I. The moving characteristics are obtained from experiments on the robot prototype.
文摘With the rapid development of submarine oil and gas,the security issues of submarine oil and gas pipeline become increasingly prominent,and regular inspection of submarine pipeline is particularly important.Therefore,a submarine pipeline inspection robot system based on CT technology to solve the problems such as low traditional manual inspection efficiency,high labor cost,low security and backward inspection methods.Based on the platform of ROV robot,carrying CT scanner as an external detection device,the system is used for non-invasive inspection of submarine pipeline,which is safe and harmless,with good economy,high mobility,and strong environmental adaptability.Compared with traditional technology,CT scanner’s external inspection technology used in the system avoids the damage to the external protective layer of the pipeline in the measurement of pipeline wall thickness.Meantime,it can provide the tomography of the pipe wall and the composition of the sediment material on the inside wall,which fills the gap in this technical field in China.According to the test,the robot has the characteristics of stable adsorption,flexible movement,and clear pipeline CT scanning image,and can realize the intelligent inspection of submarine pipeline.
文摘针对浅水水域机器人的姿态平衡、运动控制、信息获取及工作环境多变等难题,文中研制了一款能够沿水下管道自主运动、检测管道上的吸附物、发出警报并对吸附物移除及回收的小型水下机器人。采用Arduino Mega 2560集成芯片作为核心控制器,开发了管道巡线、图形识别和回收装置驱动等模块的外围电路,制作了实物样机。实景试验表明:所研制的机器人能够完成460~530 mm深度水下管道的巡检作业。